三个红色和两个黑色" }0 u/ o2 Z' e9 ~' f# B. \! W
5.39.217.77$ F! e. z! {0 s6 @: K
最后那个说我不知道我戴什么颜色帽子.
2 i/ i4 r& c6 l5 Z& K# B" X( N公仔箱論壇- the front #1 , #2 must not be black/black. Otherwise, #3 will know he is red. #1/#2 must be red/red or red/black or black/red.
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% [' Z! K* v! k) o% c4 g. \: i/ Btvb now,tvbnow,bttvb中间那个说我也不知道我戴什么颜色帽子.
! L W3 n2 I/ e* K. z; ?+ T; ?- for #2, if he see #1 wearing black, he can be sure he is red. since #2 cannot be sure, then #1 must NOT be wearing black.
* j0 W& Q$ J9 A* X. ^0 s, Z4 P
, ?2 y; V6 g, P但是第一个说我知道我戴什么颜色帽子.
+ H: {' M* I( J6 M" h Etvb now,tvbnow,bttvb- #1 must be wearing RED |
發表於 2008-12-3 10:06 AM
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